Categories: C=S Bond Formation >
Synthesis of thionoesters
An expeditious, solvent-free, and high yield conversion of ketones, flavones, isoflavones, lactones, amides, and esters to the corresponding thio analogues is described utilizing Lawesson's reagent in a process that circumvents the use of dry solvents and excess of the reagent.
R. S. Varma, D. Kumar, Org. Lett., 1999, 1, 697-700.